20750995 has 8 divisors (see below), whose sum is σ = 25028784. Its totient is φ = 16515744.

The previous prime is 20750971. The next prime is 20751001. The reversal of 20750995 is 59905702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20750995 - 2⁷ = 20750867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9549 + ... + 11518.

It is an arithmetic number, because the mean of its divisors is an integer number (3128598).

Almost surely, 2^20750995 is an apocalyptic number.

20750995 is a deficient number, since it is larger than the sum of its proper divisors (4277789).

20750995 is a wasteful number, since it uses less digits than its factorization.

20750995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21269.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 20750995 is about 4555.3260037016. The cubic root of 20750995 is about 274.7976252119.

The spelling of 20750995 in words is "twenty million, seven hundred fifty thousand, nine hundred ninety-five".